Sync tests for practice exercise `ledger`#2627

Merged

sanderploegsma merged 2 commits intoexercism:mainfrom manumafe98:sync-tests-ledger

Jan 11, 2024

+150-102

Commits on Jan 5, 2024

Sync tests from exercise ledger, update reference resolution and class visualized to students, cause this is a reformat exercise
manumafe98
committed

Commits on Jan 9, 2024

Test pipeline with split using dot instead of comma
manumafe98
committed